How to Use E18-D80NK: Examples, Pinouts, and Specs

The E18-D80NK is an adjustable Infrared Proximity Sensor designed for contactless object detection. This sensor is widely used in robotics, automation lines, and various DIY projects due to its non-contact detection capabilities. It operates by emitting infrared light and detecting the reflection from nearby objects to determine their presence within a certain range.

• Automated machinery for object detection
• Counting systems for production lines
• Robotics for obstacle avoidance
• User presence detection in interactive installations

• Operating Voltage: 5V DC
• Current Consumption: 100 mA (max)
• Detection Range: 3-80 cm (adjustable)
• Output Type: Digital (High/Low signal)
• Response Time: 2 ms
• Ambient Light Resistance: < 10000 lux
• Operating Temperature: -25°C to +55°C

1. Power Connections: Connect the VCC pin to a 5V power supply and the GND pin to the ground of your circuit.
2. Output Signal: Connect the Digital Output pin to a digital input pin on your microcontroller (e.g., Arduino).
3. Adjusting Range: Turn the potentiometer on the sensor to adjust the detection range as needed for your application.

• Ensure that the sensor is mounted securely and is not subjected to mechanical vibrations.
• Avoid exposing the sensor to direct sunlight or strong artificial light sources to prevent false detections.
• Keep the sensor's lens clean and free from dust for accurate operation.
• When adjusting the detection range, make small incremental adjustments and test the detection to find the optimal setting.

// Define the digital input pin where the sensor is connected
const int proximitySensorPin = 7;

void setup() {
  // Initialize the proximitySensorPin as an input
  pinMode(proximitySensorPin, INPUT);
  Serial.begin(9600); // Start serial communication at 9600 baud rate
}

void loop() {
  // Read the state of the proximity sensor
  int sensorState = digitalRead(proximitySensorPin);

  // Check if the sensor is detecting an object
  if (sensorState == HIGH) {
    Serial.println("Object Detected");
  } else {
    Serial.println("No Object Detected");
  }

  // Wait for 100 milliseconds before reading again
  delay(100);
}

• Sensor not detecting objects: Check the power connections, ensure the sensor is properly powered, and adjust the detection range.
• False detections: Reduce ambient light interference, check for reflective surfaces near the sensor, and clean the lens.
• Inconsistent readings: Stabilize the sensor mounting and avoid mechanical vibrations.

• If the sensor is not functioning, verify that all connections are secure and the power supply is within the specified voltage range.
• For erratic sensor behavior, recalibrate the detection range and ensure that the environment is free from factors that could affect the sensor's performance.
• If the sensor's output remains high or low regardless of object presence, inspect the sensor for physical damage or replace it with a new one.

Q: Can the E18-D80NK sensor detect any material? A: The sensor is generally capable of detecting any object that reflects infrared light, but its effectiveness may vary with the object's surface and color.

Q: Is it possible to use multiple E18-D80NK sensors in one system? A: Yes, multiple sensors can be used, but ensure they are spaced adequately to prevent cross-talk and interference.

Q: How do I adjust the detection range of the sensor? A: Turn the onboard potentiometer clockwise to increase the range and counterclockwise to decrease it.

Q: What is the maximum detection range of the E18-D80NK sensor? A: The maximum specified range is 80 cm, but optimal performance is often found at shorter distances.

For further assistance or inquiries, please contact the manufacturer or your local distributor.